diff options
Diffstat (limited to 'smelt/sdl/CxImage/ximapsd.cpp')
| -rw-r--r-- | smelt/sdl/CxImage/ximapsd.cpp | 1307 |
1 files changed, 0 insertions, 1307 deletions
diff --git a/smelt/sdl/CxImage/ximapsd.cpp b/smelt/sdl/CxImage/ximapsd.cpp deleted file mode 100644 index 2d8417b..0000000 --- a/smelt/sdl/CxImage/ximapsd.cpp +++ /dev/null @@ -1,1307 +0,0 @@ -/*
- * File: ximapsd.cpp
- * Purpose: Platform Independent PSD Image Class Loader
- * Dec/2010 Davide Pizzolato - www.xdp.it
- * CxImage version 7.0.0 31/Dec/2010
- *
- * libpsd (c) 2004-2007 Graphest Software
- *
- * Based on MyPSD class by Iosif Hamlatzis
- * Details: http://www.codeproject.com/KB/graphics/MyPSD.aspx
- * Cleaned up a bit and ported to CxImage by Vitaly Ovchinnikov
- * Send feedback to vitaly(dot)ovchinnikov(at)gmail.com
- */
-
-#include "ximapsd.h"
-
-#if CXIMAGE_SUPPORT_PSD
-
-enum {
- PSD_FILE_HEADER,
- PSD_COLOR_MODE_DATA,
- PSD_IMAGE_RESOURCE,
- PSD_LAYER_AND_MASK_INFORMATION,
- PSD_IMAGE_DATA,
- PSD_DONE
-};
-
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-#if CXIMAGE_USE_LIBPSD == 0
-// MyPSD.h /////////////////////////////////////////////////////////////////////
-
-#ifndef __MyPSD_H__
-#define __MyPSD_H__
-
-namespace MyPSD
-{
-
- class CPSD
- {
- struct HEADER_INFO
- {
- //Table 2-12: HeaderInfo Color spaces
- // Color-ID Name Description
- //-------------------------------------------
- // 0 Bitmap // Probably means black & white
- // 1 Grayscale The first value in the color data is the gray value, from 0...10000.
- // 2 Indexed
- // 3 RGB The first three values in the color data are red, green, and blue.
- // They are full unsigned 16–bit values as in Apple’s RGBColor data
- // structure. Pure red=65535,0,0.
- // 4 CMYK The four values in the color data are cyan, magenta, yellow, and
- // black. They are full unsigned 16–bit values. 0=100% ink. Pure
- // cyan=0,65535,65535,65535.
- // 7 Multichannel // Have no idea
- // 8 Duotone
- // 9 Lab The first three values in the color data are lightness, a chrominance,
- // and b chrominance.
- // Lightness is a 16–bit value from 0...100. The chromanance components
- // are each 16–bit values from –128...127. Gray values
- // are represented by chrominance components of 0. Pure
- // white=100,0,0.
- short nChannels;
- int nHeight;
- int nWidth;
- short nBitsPerPixel;
- short nColourMode;
- HEADER_INFO();
- };
-
- struct COLOUR_MODE_DATA
- {
- int nLength;
- unsigned char* ColourData;
- COLOUR_MODE_DATA();
- };
-
-
- struct IMAGE_RESOURCE
- {
- // Table 2–1: Image resource block
- // Type Name Description
- //-------------------------------------------
- // OSType Type Photoshop always uses its signature, 8BIM
- // int16 ID Unique identifier
- // PString Name A pascal string, padded to make size even (a null name consists of two bytes of 0)
- // Pascal style string where the first byte gives the length of the
- // string and the content bytes follow.
- // int32 Size Actual size of resource data. This does not include the
- // Type, ID, Name, or Size fields.
- // Variable Data Resource data, padded to make size even
- int nLength;
- char OSType[4];
- short nID;
- unsigned char* Name;
- int nSize;
- IMAGE_RESOURCE();
- void Reset();
- };
-
- struct RESOLUTION_INFO
- {
- // Table A-6: ResolutionInfo structure
- // Type Name Description
- //-------------------------------------------
- // Fixed hRes Horizontal resolution in pixels per inch.
- // int hResUnit 1=display horizontal resolution in pixels per inch;
- // 2=display horizontal resolution in pixels per cm.
- // short widthUnit Display width as 1=inches; 2=cm; 3=points; 4=picas; 5=columns.
- // Fixed vRes Vertical resolution in pixels per inch.
- // int vResUnit 1=display vertical resolution in pixels per inch;
- // 2=display vertical resolution in pixels per cm.
- // short heightUnit Display height as 1=inches; 2=cm; 3=points; 4=picas; 5=columns.
- short hRes;
- int hResUnit;
- short widthUnit;
-
- short vRes;
- int vResUnit;
- short heightUnit;
- RESOLUTION_INFO();
- };
-
- struct RESOLUTION_INFO_v2 // Obsolete - Photoshop 2.0
- {
- short nChannels;
- short nRows;
- short nColumns;
- short nDepth;
- short nMode;
- RESOLUTION_INFO_v2();
- };
-
- struct DISPLAY_INFO
- {
- // This structure contains display information about each channel.
- //Table A-7: DisplayInfo Color spaces
- // Color-ID Name Description
- //-------------------------------------------
- // 0 RGB The first three values in the color data are red, green, and blue.
- // They are full unsigned 16–bit values as in Apple’s RGBColor data
- // structure. Pure red=65535,0,0.
- // 1 HSB The first three values in the color data are hue, saturation, and
- // brightness. They are full unsigned 16–bit values as in Apple’s
- // HSVColor data structure. Pure red=0,65535, 65535.
- // 2 CMYK The four values in the color data are cyan, magenta, yellow, and
- // black. They are full unsigned 16–bit values. 0=100% ink. Pure
- // cyan=0,65535,65535,65535.
- // 7 Lab The first three values in the color data are lightness, a chrominance,
- // and b chrominance.
- // Lightness is a 16–bit value from 0...10000. The chromanance components
- // are each 16–bit values from –12800...12700. Gray values
- // are represented by chrominance components of 0. Pure
- // white=10000,0,0.
- // 8 grayscale The first value in the color data is the gray value, from 0...10000.
- short ColourSpace;
- short Colour[4];
- short Opacity; // 0..100
- bool kind; // selected = 0, protected = 1
- unsigned char padding; // should be zero
- DISPLAY_INFO();
- };
- struct THUMBNAIL
- {
- // Adobe Photoshop 5.0 and later stores thumbnail information for preview
- // display in an image resource block. These resource blocks consist of an
- // 28 byte header, followed by a JFIF thumbnail in RGB (red, green, blue)
- // for both Macintosh and Windows. Adobe Photoshop 4.0 stored the
- // thumbnail information in the same format except the data section is
- // (blue, green, red). The Adobe Photoshop 4.0 format is at resource ID
- // and the Adobe Photoshop 5.0 format is at resource ID 1036.
- // Table 2–5: Thumnail resource header
- // Type Name Description
- //-------------------------------------------
- // 4 bytes format = 1 (kJpegRGB). Also supports kRawRGB (0).
- // 4 bytes width Width of thumbnail in pixels.
- // 4 bytes height Height of thumbnail in pixels.
- // 4 bytes widthbytes Padded row bytes as (width * bitspixel + 31) / 32 * 4.
- // 4 bytes size Total size as widthbytes * height * planes
- // 4 bytes compressedsize Size after compression. Used for consistentcy check.
- // 2 bytes bitspixel = 24. Bits per pixel.
- // 2 bytes planes = 1. Number of planes.
- // Variable Data JFIF data in RGB format.
- // Note: For resource ID 1033 the data is in BGR format.
- int nFormat;
- int nWidth;
- int nHeight;
- int nWidthBytes;
- int nSize;
- int nCompressedSize;
- short nBitPerPixel;
- short nPlanes;
- unsigned char* Data;
- THUMBNAIL();
- };
-
-
- CxImage &m_image;
-
- HEADER_INFO header_info;
-
- COLOUR_MODE_DATA colour_mode_data;
- short mnColourCount;
- short mnTransparentIndex;
-
- IMAGE_RESOURCE image_resource;
-
- int mnGlobalAngle;
-
- RESOLUTION_INFO resolution_info;
- bool mbResolutionInfoFilled;
-
- RESOLUTION_INFO_v2 resolution_info_v2;
- bool mbResolutionInfoFilled_v2;
-
- DISPLAY_INFO display_info;
- bool mbDisplayInfoFilled;
-
- THUMBNAIL thumbnail;
- bool mbThumbNailFilled;
-
- bool mbCopyright;
-
- int Calculate(unsigned char* c, int nDigits);
- void XYZToRGB(const double X, const double Y, const double Z, int &R, int &G, int &B);
- void LabToRGB(const int L, const int a, const int b, int &R, int &G, int &B );
- void CMYKToRGB(const double C, const double M, const double Y, const double K, int &R, int &G, int &B);
-
- bool ReadHeader(CxFile &f, HEADER_INFO& header_info);
- bool ReadColourModeData(CxFile &f, COLOUR_MODE_DATA& colour_mode_data);
- bool ReadImageResource(CxFile &f, IMAGE_RESOURCE& image_resource);
- bool ReadLayerAndMaskInfoSection(CxFile &f); // Actually ignore it
- int ReadImageData(CxFile &f);
-
- int DecodeRawData(CxFile &pFile);
- int DecodeRLEData(CxFile &pFile);
-
- void ProccessBuffer(unsigned char* pData = 0);
-
- public:
- CPSD(CxImage &image);
- ~CPSD();
-
- int Load(LPCTSTR szPathName);
- int Load(CxFile &file);
-
- bool ThumbNailIncluded() const { return mbThumbNailFilled; }
- void DPI(int &x, int &y) const { x = resolution_info.hRes; y = resolution_info.vRes; }
- void Dimensions(int &cx, int &cy) const { cx = header_info.nWidth; cy = header_info.nHeight; }
- int BitsPerPixel() const { return header_info.nBitsPerPixel; }
- int GlobalAngle() const { return mnGlobalAngle; }
- bool IsCopyright() const { return mbCopyright; }
- HBITMAP Detach();
- };
-}
-
-#endif // __MyPSD_H__
-
-// MyPSD.cpp ///////////////////////////////////////////////////////////////////
-
-
-inline int dti(double value) { return (int)floor(value+.5f); }
-
-#define assert(a)
-
-#define mypsd_fread(a, b, c, d) d.Read(a, b, c)
-#define mypsd_fseek(a, b, c) a.Seek(b, c)
-#define mypsd_feof(a) a.Eof()
-
-namespace MyPSD
-{
- CPSD::CPSD(CxImage &image) : m_image(image)
- {
- mbThumbNailFilled = false;
- mbDisplayInfoFilled = false;
- mbResolutionInfoFilled = false;
- mbResolutionInfoFilled_v2 = false;
- mnGlobalAngle = 30;
- mbCopyright = false;
- mnColourCount = -1;
- mnTransparentIndex = -1;
- }
- CPSD::~CPSD()
- {
- // free memory
- if ( 0 < colour_mode_data.nLength )
- delete[] colour_mode_data.ColourData;
- colour_mode_data.ColourData = 0;
-
- if ( image_resource.Name )
- delete[] image_resource.Name;
- image_resource.Name = 0;
- }
-
- int CPSD::Calculate(unsigned char* c, int nDigits)
- {
- int nValue = 0;
-
- for(int n = 0; n < nDigits; ++n)
- nValue = ( nValue << 8 ) | *(c+n);
-
- return nValue;
- };
-
- void CPSD::XYZToRGB(const double X, const double Y, const double Z, int &R, int &G, int &B)
- {
- // Standards used Observer = 2, Illuminant = D65
- // ref_X = 95.047, ref_Y = 100.000, ref_Z = 108.883
- const double ref_X = 95.047;
- const double ref_Y = 100.000;
- const double ref_Z = 108.883;
-
- double var_X = X / 100.0;
- double var_Y = Y / 100.0;
- double var_Z = Z / 100.0;
-
- double var_R = var_X * 3.2406 + var_Y * (-1.5372) + var_Z * (-0.4986);
- double var_G = var_X * (-0.9689) + var_Y * 1.8758 + var_Z * 0.0415;
- double var_B = var_X * 0.0557 + var_Y * (-0.2040) + var_Z * 1.0570;
-
- if ( var_R > 0.0031308 )
- var_R = 1.055 * ( pow(var_R, 1/2.4) ) - 0.055;
- else
- var_R = 12.92 * var_R;
-
- if ( var_G > 0.0031308 )
- var_G = 1.055 * ( pow(var_G, 1/2.4) ) - 0.055;
- else
- var_G = 12.92 * var_G;
-
- if ( var_B > 0.0031308 )
- var_B = 1.055 * ( pow(var_B, 1/2.4) )- 0.055;
- else
- var_B = 12.92 * var_B;
-
- R = (int)(var_R * 256.0);
- G = (int)(var_G * 256.0);
- B = (int)(var_B * 256.0);
- };
-
- void CPSD::LabToRGB(const int L, const int a, const int b, int &R, int &G, int &B )
- {
- // For the conversion we first convert values to XYZ and then to RGB
- // Standards used Observer = 2, Illuminant = D65
- // ref_X = 95.047, ref_Y = 100.000, ref_Z = 108.883
- const double ref_X = 95.047;
- const double ref_Y = 100.000;
- const double ref_Z = 108.883;
-
- double var_Y = ( (double)L + 16.0 ) / 116.0;
- double var_X = (double)a / 500.0 + var_Y;
- double var_Z = var_Y - (double)b / 200.0;
-
- if ( pow(var_Y, 3) > 0.008856 )
- var_Y = pow(var_Y, 3);
- else
- var_Y = ( var_Y - 16 / 116 ) / 7.787;
-
- if ( pow(var_X, 3) > 0.008856 )
- var_X = pow(var_X, 3);
- else
- var_X = ( var_X - 16 / 116 ) / 7.787;
-
- if ( pow(var_Z, 3) > 0.008856 )
- var_Z = pow(var_Z, 3);
- else
- var_Z = ( var_Z - 16 / 116 ) / 7.787;
-
- double X = ref_X * var_X;
- double Y = ref_Y * var_Y;
- double Z = ref_Z * var_Z;
-
- XYZToRGB(X, Y, Z, R, G, B);
- };
-
- void CPSD::CMYKToRGB(const double C, const double M, const double Y, const double K, int &R, int &G, int &B )
- {
- R = dti( ( 1.0f - ( C *( 1.0f - K ) + K ) ) * 255.0f );
- G = dti( ( 1.0f - ( M *( 1.0f - K ) + K ) ) * 255.0f );
- B = dti( ( 1.0f - ( Y *( 1.0f - K ) + K ) ) * 255.0f );
- };
-
- bool CPSD::ReadLayerAndMaskInfoSection(CxFile &pFile) // Actually ignore it
- {
- bool bSuccess = false;
-
- unsigned char DataLength[4];
- int nBytesRead = 0;
- int nItemsRead = (int)(int)mypsd_fread(&DataLength, sizeof(DataLength), 1, pFile);
-
- int nTotalBytes = Calculate( DataLength, sizeof(DataLength) );
-
- unsigned char data[1];
- while( !mypsd_feof( pFile ) && ( nBytesRead < nTotalBytes ) )
- {
- data[0] = '\0';
- nItemsRead = (int)(int)mypsd_fread(&data, sizeof(data), 1, pFile);
- nBytesRead += nItemsRead * sizeof(data);
- }
-
- assert ( nBytesRead == nTotalBytes );
- if ( nBytesRead == nTotalBytes )
- bSuccess = true;
-
- return bSuccess;
- }
- bool CPSD::ReadImageResource(CxFile &pFile, IMAGE_RESOURCE& image_resource)
- {
- bool bSuccess = false;
-
- unsigned char Length[4];
- int nItemsRead = (int)(int)mypsd_fread(&Length, sizeof(Length), 1, pFile);
-
- image_resource.nLength = Calculate( Length, sizeof(image_resource.nLength) );
-
- int nBytesRead = 0;
- int nTotalBytes = image_resource.nLength;
-
- while( !mypsd_feof( pFile ) && ( nBytesRead < nTotalBytes ) )
- {
- nItemsRead = 0;
- image_resource.Reset();
-
- nItemsRead = (int)(int)mypsd_fread(&image_resource.OSType, sizeof(image_resource.OSType), 1, pFile);
- nBytesRead += nItemsRead * sizeof(image_resource.OSType);
-
- assert ( 0 == (nBytesRead % 2) );
- if (::memcmp(image_resource.OSType, "8BIM", 4) == 0)
- {
- unsigned char ID[2];
- nItemsRead = (int)(int)mypsd_fread(&ID, sizeof(ID), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ID);
-
- image_resource.nID = (short)Calculate( ID, sizeof(ID) );
-
- unsigned char SizeOfName;
- nItemsRead = (int)(int)mypsd_fread(&SizeOfName, sizeof(SizeOfName), 1, pFile);
- nBytesRead += nItemsRead * sizeof(SizeOfName);
-
- int nSizeOfName = Calculate( &SizeOfName, sizeof(SizeOfName) );
- if ( 0 < nSizeOfName )
- {
- image_resource.Name = new unsigned char[nSizeOfName];
- nItemsRead = (int)(int)mypsd_fread(image_resource.Name, nSizeOfName, 1, pFile);
- nBytesRead += nItemsRead * nSizeOfName;
- }
-
- if ( 0 == (nSizeOfName % 2) )
- {
- nItemsRead = (int)(int)mypsd_fread(&SizeOfName, sizeof(SizeOfName), 1, pFile);
- nBytesRead += nItemsRead * sizeof(SizeOfName);
- }
-
- unsigned char Size[4];
- nItemsRead = (int)(int)mypsd_fread(&Size, sizeof(Size), 1, pFile);
- nBytesRead += nItemsRead * sizeof(Size);
-
- image_resource.nSize = Calculate( Size, sizeof(image_resource.nSize) );
-
- if ( 0 != (image_resource.nSize % 2) ) // resource data must be even
- image_resource.nSize++;
- if ( 0 < image_resource.nSize )
- {
- unsigned char IntValue[4];
- unsigned char ShortValue[2];
-
- switch( image_resource.nID )
- {
- case 1000:
- {
- // Obsolete - Photoshop 2.0
- mbResolutionInfoFilled_v2 = true;
-
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info_v2.nChannels = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nChannels) );
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info_v2.nRows = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nRows) );
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info_v2.nColumns = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nColumns) );
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info_v2.nDepth = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nDepth) );
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info_v2.nMode = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nMode) );
- }
- break;
- case 1005:
- {
- mbResolutionInfoFilled = true;
-
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info.hRes = (short)Calculate(ShortValue, sizeof(resolution_info.hRes) );
- nItemsRead = (int)(int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- resolution_info.hResUnit = Calculate(IntValue, sizeof(resolution_info.hResUnit) );
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info.widthUnit = (short)Calculate(ShortValue, sizeof(resolution_info.widthUnit) );
-
- nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info.vRes = (short)Calculate(ShortValue, sizeof(resolution_info.vRes) );
- nItemsRead = (int)(int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- resolution_info.vResUnit = Calculate(IntValue, sizeof(resolution_info.vResUnit) );
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- resolution_info.heightUnit = (short)Calculate(ShortValue, sizeof(resolution_info.heightUnit) );
- }
- break;
- case 1007:
- {
- mbDisplayInfoFilled = true;
-
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- display_info.ColourSpace = (short)Calculate(ShortValue, sizeof(display_info.ColourSpace) );
-
- for ( unsigned int n = 0; n < 4; ++n )
- {
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- display_info.Colour[n] = (short)Calculate(ShortValue, sizeof(display_info.Colour[n]) );
- }
-
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- display_info.Opacity = (short)Calculate(ShortValue, sizeof(display_info.Opacity) );
- assert ( 0 <= display_info.Opacity );
- assert ( 100 >= display_info.Opacity );
-
- unsigned char c[1];
- nItemsRead = (int)mypsd_fread(&c, sizeof(c), 1, pFile);
- nBytesRead += nItemsRead * sizeof(c);
- ( 1 == Calculate(c, sizeof(c) ) ) ? display_info.kind = true : display_info.kind = false;
-
- nItemsRead = (int)mypsd_fread(&c, sizeof(c), 1, pFile);
- nBytesRead += nItemsRead * sizeof(c);
- display_info.padding = (unsigned int)Calculate(c, sizeof(c) );
- assert ( 0 == display_info.padding );
- }
- break;
- case 1034:
- {
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- ( 1 == Calculate(ShortValue, sizeof(ShortValue) ) ) ? mbCopyright = true : mbCopyright = false;
- }
- break;
- case 1033:
- case 1036:
- {
- mbThumbNailFilled = true;
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nFormat = Calculate(IntValue, sizeof(thumbnail.nFormat) );
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nWidth = Calculate(IntValue, sizeof(thumbnail.nWidth) );
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nHeight = Calculate(IntValue, sizeof(thumbnail.nHeight) );
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nWidthBytes = Calculate(IntValue, sizeof(thumbnail.nWidthBytes) );
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nSize = Calculate(IntValue, sizeof(thumbnail.nSize) );
-
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- thumbnail.nCompressedSize = Calculate(IntValue, sizeof(thumbnail.nCompressedSize) );
-
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- thumbnail.nBitPerPixel = (short)Calculate(ShortValue, sizeof(thumbnail.nBitPerPixel) );
-
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- thumbnail.nPlanes = (short)Calculate(ShortValue, sizeof(thumbnail.nPlanes) );
-
- int nTotalData = image_resource.nSize - 28; // header
- unsigned char* buffer = new unsigned char[nTotalData];
- unsigned char c[1];
- if ( 1033 == image_resource.nID )
- {
- // In BGR format
- for (int n = 0; n < nTotalData; n = n +3 )
- {
- nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile);
- nBytesRead += nItemsRead * sizeof(unsigned char);
- buffer[n+2] = (unsigned char)Calculate(c, sizeof(unsigned char) );
- nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile);
- nBytesRead += nItemsRead * sizeof(unsigned char);
- buffer[n+1] = (unsigned char)Calculate(c, sizeof(BYTE) );
- nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile);
- nBytesRead += nItemsRead * sizeof(unsigned char);
- buffer[n] = (unsigned char)Calculate(c, sizeof(unsigned char) );
- }
- }
- else if ( 1036 == image_resource.nID )
- {
- // In RGB format
- for (int n = 0; n < nTotalData; ++n )
- {
- nItemsRead = (int)mypsd_fread(&c, sizeof(BYTE), 1, pFile);
- nBytesRead += nItemsRead * sizeof(BYTE);
- buffer[n] = (BYTE)Calculate(c, sizeof(BYTE) );
- }
- }
-
- delete[] buffer;
- buffer = 0;
- }
- break;
- case 1037:
- {
- nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(IntValue);
- mnGlobalAngle = Calculate(IntValue, sizeof(mnGlobalAngle) );
- }
- break;
- case 1046:
- {
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- mnColourCount = (short)Calculate(ShortValue, sizeof(ShortValue) );
- }
- break;
- case 1047:
- {
- nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- nBytesRead += nItemsRead * sizeof(ShortValue);
- mnTransparentIndex = (short)Calculate(ShortValue, sizeof(ShortValue) );
- }
- break;
-
- default:
- pFile.Seek(image_resource.nSize, SEEK_CUR);
- nBytesRead += image_resource.nSize;
- break;
- }
- }
- }
- }
-
- assert ( nBytesRead == nTotalBytes );
- if ( nBytesRead == nTotalBytes )
- bSuccess = true;
-
- return bSuccess;
- }
- bool CPSD::ReadColourModeData(CxFile &pFile, COLOUR_MODE_DATA& colour_mode_data)
- {
- // Only indexed colour and duotone have colour mode data,
- // for all other modes this section is 4 bytes length, the length field is set to zero
-
- // For indexed color images, the length will be equal to 768, and the color
- // will contain the color table for the image, in non–interleaved order.
-
- // For duotone images, the color data will contain the duotone specification,
- // the format of which is not documented. Other applications that read
- // Photoshop files can treat a duotone image as a grayscale image, and just
- // preserve the contents of the duotone information when reading and writing
- // the file.
-
- // free memory
- if ( 0 < colour_mode_data.nLength )
- delete[] colour_mode_data.ColourData;
- colour_mode_data.ColourData = 0;
-
- unsigned char Length[4];
- int nItemsRead = (int)mypsd_fread(&Length, sizeof(Length), 1, pFile);
-
- colour_mode_data.nLength = Calculate( Length, sizeof(colour_mode_data.nLength) );
- if ( 0 < colour_mode_data.nLength )
- {
- colour_mode_data.ColourData = new unsigned char[colour_mode_data.nLength];
- nItemsRead = 0;
- memset(colour_mode_data.ColourData, 254, colour_mode_data.nLength);
-
- nItemsRead += (int)mypsd_fread( colour_mode_data.ColourData, colour_mode_data.nLength, 1, pFile);
-
- }
-
- return true;
- }
-
- bool CPSD::ReadHeader(CxFile &pFile, HEADER_INFO& header_info)
- {
- bool bSuccess = false;
-
- struct HEADER
- {
- char Signature[4]; // always equal 8BPS, do not read file if not
- unsigned char Version[2]; // always equal 1, do not read file if not
- char Reserved[6]; // must be zero
- unsigned char Channels[2]; // numer of channels including any alpha channels, supported range 1 to 24
- unsigned char Rows[4]; // height in PIXELS, supported range 1 to 30000
- unsigned char Columns[4]; // width in PIXELS, supported range 1 to 30000
- unsigned char Depth[2]; // number of bpp
- unsigned char Mode[2]; // colour mode of the file,
- // Btmap=0, Grayscale=1, Indexed=2, RGB=3,
- // CMYK=4, Multichannel=7, Duotone=8, Lab=9
- };
-
- HEADER header;
- int nItemsRead = (int)mypsd_fread(&header, sizeof(HEADER), 1, pFile);
- if ( nItemsRead )
- {
- if ( 0 == ::memcmp(header.Signature, "8BPS", 4))
- {
- int nVersion = Calculate( header.Version, sizeof(header.Version) );
-
- if ( 1 == nVersion )
- {
- unsigned int n = 0;
- bool bOK = true;
- while ( (n < 6) && bOK )
- {
- if ( '\0' != header.Reserved[n] )
- bOK = false;
- n++;
- }
- bSuccess = bOK;
-
- if ( bSuccess )
- {
- header_info.nChannels = (short)Calculate( header.Channels, sizeof(header.Channels) );
- header_info.nHeight = Calculate( header.Rows, sizeof(header.Rows) );
- header_info.nWidth = Calculate( header.Columns, sizeof(header.Columns) );
- header_info.nBitsPerPixel = (short)Calculate( header.Depth, sizeof(header.Depth) );
- header_info.nColourMode = (short)Calculate( header.Mode, sizeof(header.Mode) );
- }
- }
- }
- }
-
- return bSuccess;
- }
-
-
- void CPSD::ProccessBuffer(unsigned char* pData )
- {
- if (!pData) return;
-
- switch ( header_info.nColourMode )
- {
- case 1: // Grayscale
- case 8: // Duotone
- {
- bool bAlpha = header_info.nChannels > 1;
-
- int nPixels = header_info.nWidth * header_info.nHeight;
- byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)];
- byte *pSrc = pData, *pDst = pRGBA;
- for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3)
- {
- pDst[0] = pDst[1] = pDst[2] = pSrc[0];
- if (bAlpha) pDst[3] = pSrc[1];
- }
-
- m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true);
-
- delete [] pRGBA;
- }
- break;
- case 2: // Indexed
- {
- if (!colour_mode_data.ColourData) break;
- if (colour_mode_data.nLength != 768) break;
- if (mnColourCount == 0) break;
-
- int nPixels = header_info.nWidth * header_info.nHeight;
- byte *pRGB = new byte[nPixels * 3];
- ::memset(pRGB, 0, nPixels * 3);
- byte *pSrc = pData, *pDst = pRGB;
- for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += 3)
- {
- int nIndex = *pSrc;
- pDst[2] = colour_mode_data.ColourData[nIndex + 0 * 256];
- pDst[1] = colour_mode_data.ColourData[nIndex + 1 * 256];
- pDst[0] = colour_mode_data.ColourData[nIndex + 2 * 256];
- }
-
- m_image.CreateFromArray(pRGB, header_info.nWidth, header_info.nHeight, 24, header_info.nWidth * 3, true);
- delete [] pRGB;
- }
- break;
- case 3: // RGB
- {
- m_image.CreateFromArray(pData, header_info.nWidth, header_info.nHeight, header_info.nChannels == 3 ? 24 : 32, header_info.nWidth * header_info.nChannels, true);
- m_image.SwapRGB2BGR();
- }
- break;
- case 4: // CMYK
- {
- bool bAlpha = header_info.nChannels > 4;
-
- int nPixels = header_info.nWidth * header_info.nHeight;
- byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)];
- byte *pSrc = pData, *pDst = pRGBA;
- double C, M, Y, K;
- int nRed, nGreen, nBlue;
- for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3)
- {
- C = (1.0 - (double)pSrc[0] / 256);
- M = (1.0 - (double)pSrc[1] / 256);
- Y = (1.0 - (double)pSrc[2] / 256);
- K = (1.0 - (double)pSrc[3] / 256);
-
- CMYKToRGB(C, M, Y, K, nRed, nGreen, nBlue);
-
- if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255;
- if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255;
- if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255;
-
- pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed;
- if (bAlpha) pDst[3] = pSrc[4];
- }
-
- m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true);
-
- delete [] pRGBA;
- }
- break;
- case 7: // Multichannel
- {
- if (header_info.nChannels == 0 || header_info.nChannels > 4) break; // ???
-
- int nPixels = header_info.nWidth * header_info.nHeight;
- byte *pRGB = new byte[nPixels * 3];
- byte *pSrc = pData, *pDst = pRGB;
- double C, M, Y, K;
- int nRed, nGreen, nBlue;
- for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += 3)
- {
- C = M = Y = K = 0;
- C = (1.0 - (double)pSrc[0] / 256);
- if (header_info.nChannels > 1) M = (1.0 - (double)pSrc[1] / 256);
- if (header_info.nChannels > 2) Y = (1.0 - (double)pSrc[2] / 256);
- if (header_info.nChannels > 3) K = (1.0 - (double)pSrc[3] / 256);
-
- CMYKToRGB(C, M, Y, K, nRed, nGreen, nBlue);
-
- if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255;
- if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255;
- if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255;
-
- pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed;
- }
-
- m_image.CreateFromArray(pRGB, header_info.nWidth, header_info.nHeight, 24, header_info.nWidth * 3, true);
-
- delete [] pRGB;
- }
- break;
- case 9: // Lab
- {
- bool bAlpha = header_info.nChannels > 3;
-
- int nPixels = header_info.nWidth * header_info.nHeight;
- byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)];
- byte *pSrc = pData, *pDst = pRGBA;
-
- double L_coef = 256.f / 100.f, a_coef = 256.f / 256.f, b_coef = 256.f / 256.f;
- int L, a, b;
- int nRed, nGreen, nBlue;
- for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3)
- {
- L = (int)((float)pSrc[0] / L_coef);
- a = (int)((float)pSrc[1] / a_coef - 128.0);
- b = (int)((float)pSrc[2] / b_coef - 128.0);
-
- LabToRGB(L, a, b, nRed, nGreen, nBlue );
-
- if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255;
- if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255;
- if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255;
-
- pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed;
- if (bAlpha) pDst[3] = pSrc[3];
- }
-
- m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true);
-
- delete [] pRGBA;
- }
- break;
- }
- }
-
- int CPSD::Load(LPCTSTR szPathName)
- {
- CxIOFile f;
- if (!f.Open(szPathName, _T("rb"))) return -1;
- return Load(f);
- }
-
- int CPSD::Load(CxFile &f)
- {
- if (!ReadHeader(f, header_info)) return -2; // Error in header
- if (!ReadColourModeData(f, colour_mode_data)) return -3; // Error in ColourMode Data
- if (!ReadImageResource(f, image_resource)) return -4; // Error in Image Resource
- if (!ReadLayerAndMaskInfoSection(f)) return -5; // Error in Mask Info
- if (ReadImageData(f) != 0) return -6; // Error in Image Data
- return 0; // all right
- }
-
- int CPSD::DecodeRawData( CxFile &pFile)
- {
- if (header_info.nBitsPerPixel != 8 && header_info.nBitsPerPixel != 16) return -7; // can't read this
-
- int nWidth = header_info.nWidth;
- int nHeight = header_info.nHeight;
- int bytesPerPixelPerChannel = header_info.nBitsPerPixel / 8;
-
- int nPixels = nWidth * nHeight;
- int nTotalBytes = 0;
-
- byte* pData = NULL;
-
- switch ( header_info.nColourMode )
- {
- case 1: // Grayscale
- case 2: // Indexed
- case 3: // RGB
- case 4: // CMYK
- case 8: // Duotone
- case 9: // Lab
- {
- // read RRRRRRRGGGGGGGBBBBBBAAAAAA data
- int nAllDataSize = nPixels * bytesPerPixelPerChannel * header_info.nChannels;
- byte *pFileData = new byte[nAllDataSize];
- ::memset(pFileData, 0, nAllDataSize);
- if (pFile.Read(pFileData, nAllDataSize, 1) != 1)
- {
- delete [] pFileData;
- return -1; // bad data
- }
-
- // and convert them to RGBARGBARGBA data (depends on number of channels)
- nTotalBytes = nPixels * header_info.nChannels;
- pData = new byte[nTotalBytes];
- byte *pSource = pFileData;
- for (int nChannel = 0; nChannel < header_info.nChannels; nChannel++)
- {
- byte *pDest = pData + nChannel;
- for (int pos = 0; pos < nPixels; pos++, pDest += header_info.nChannels, pSource += bytesPerPixelPerChannel) *pDest = *pSource;
- }
- delete [] pFileData;
- }
- break;
- default:
- return -1; // unsupported format
- }
-
- ProccessBuffer(pData);
- delete [] pData;
-
- // dpi related things
- int ppm_x = 3780; // 96 dpi
- int ppm_y = 3780; // 96 dpi
- if (mbResolutionInfoFilled)
- {
- int nHorResolution = (int)resolution_info.hRes;
- int nVertResolution = (int)resolution_info.vRes;
- ppm_x = (nHorResolution * 10000) / 254;
- ppm_y = (nVertResolution * 10000) / 254;
- }
- m_image.SetXDPI(ppm_x);
- m_image.SetYDPI(ppm_y);
-
- return 0;
- }
-
-
- int CPSD::DecodeRLEData(CxFile & pFile)
- {
- if (header_info.nBitsPerPixel != 8) return -7; // can't read this
-
- int nWidth = header_info.nWidth;
- int nHeight = header_info.nHeight;
- int nPixels = nWidth * nHeight;
-
- // The RLE-compressed data is preceeded by a 2-byte data count for each row in the data
- // read them and compute size of RLE data
- int nLengthDataSize = nHeight * header_info.nChannels * 2;
- byte *pLengthData = new byte[nLengthDataSize];
- if (pFile.Read(pLengthData, nLengthDataSize, 1) != 1)
- {
- delete [] pLengthData;
- return -1; // error while reading
- }
- int nRLEDataSize = 0;
- for (int i = 0; i < nHeight * header_info.nChannels * 2; i += 2)
- nRLEDataSize += Calculate(pLengthData + i, 2);
- delete [] pLengthData;
-
- // now read RLE data to the buffer for fast access
- byte *pRLEData = new byte[nRLEDataSize];
- if (pFile.Read(pRLEData, nRLEDataSize, 1) != 1)
- {
- delete [] pRLEData;
- return -1;
- }
-
- // allocate buffer for raw data (RRRRRRR...RRRGGGGG...GGGGGGBBBBB...BBBBBAAAAA....AAAAA) it has the same size as the final buffer
- // and the perform RLE-decoding
- int nTotalBytes = nPixels * header_info.nChannels;
- byte* pRawData = new byte[nTotalBytes];
- byte *pRLESource = pRLEData, *pRLEDest = pRawData;
- for (int channel = 0; channel < header_info.nChannels; channel++)
- {
- int nCount = 0;
- while (nCount < nPixels)
- {
- int len = *pRLESource++;
- if ( 128 > len )
- { // copy next (len + 1) bytes as is
- len++;
- nCount += len;
- ::memcpy(pRLEDest, pRLESource, len);
- pRLEDest += len; pRLESource += len;
- }
- else if ( 128 < len )
- {
- // Next -len+1 bytes in the dest are replicated from next source byte.
- // (Interpret len as a negative 8-bit int.)
- len ^= 0x0FF;
- len += 2;
- nCount += len;
- ::memset(pRLEDest, *pRLESource++, len);
- pRLEDest += len;
- }
- else if ( 128 == len ) { /* Do nothing */ }
- }
- }
- delete [] pRLEData;
-
- // transform raw data to the good one (RGBARGBARGBA...RGBA)
- byte *pRawSource = pRawData;
- byte *pData = new byte[nTotalBytes];
- int nPixelCounter = 0;
- for( int nColour = 0; nColour < header_info.nChannels; ++nColour )
- {
- nPixelCounter = nColour;
- for (int nPos = 0; nPos < nPixels; nPos++, pRawSource++)
- {
- pData[nPixelCounter] = *pRawSource;
- nPixelCounter += header_info.nChannels;
- }
- }
- delete[] pRawData;
-
- // create image
- ProccessBuffer(pData);
- delete [] pData;
-
- // dpi related things
- int ppm_x = 3780; // 96 dpi
- int ppm_y = 3780; // 96 dpi
- if (mbResolutionInfoFilled)
- {
- int nHorResolution = (int)resolution_info.hRes;
- int nVertResolution = (int)resolution_info.vRes;
- ppm_x = (nHorResolution * 10000) / 254;
- ppm_y = (nVertResolution * 10000) / 254;
- }
- m_image.SetXDPI(ppm_x);
- m_image.SetYDPI(ppm_y);
-
- return 0;
- }
-
- int CPSD::ReadImageData(CxFile &pFile)
- {
- int nErrorCode = 0; // No Errors
-
- if ( !mypsd_feof(pFile) )
- {
- unsigned char ShortValue[2];
- int nBytesRead = 0;
- int nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile);
- short nCompression = (short)Calculate( ShortValue, sizeof(ShortValue) );
-
- switch ( nCompression )
- {
- case 0: // raw data
- nErrorCode = DecodeRawData(pFile);
- break;
- case 1: // RLE compression
- nErrorCode = DecodeRLEData(pFile);
- break;
- case 2: // ZIP without prediction
- nErrorCode = -10; // ZIP without prediction, no specification
- break;
- case 3: // ZIP with prediction
- nErrorCode = -11; // ZIP with prediction, no specification
- break;
- default:
- nErrorCode = -12; // Unknown format
- }
- }
- return nErrorCode;
- }
-
- //////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////
- CPSD::HEADER_INFO::HEADER_INFO()
- {
- nChannels = -1;
- nHeight = -1;
- nWidth = -1;
- nBitsPerPixel = -1;
- nColourMode = -1;
- }
-
- CPSD::COLOUR_MODE_DATA::COLOUR_MODE_DATA()
- {
- nLength = -1;
- ColourData = 0;
- }
-
- CPSD::IMAGE_RESOURCE::IMAGE_RESOURCE()
- {
- Name = 0;
- Reset();
- }
-
- void CPSD::IMAGE_RESOURCE::Reset()
- {
- nLength = -1;
- memset( OSType, '\0', sizeof(OSType) );
- nID = -1;
- if ( Name )
- delete[] Name;
- Name = 0;
- nSize = -1;
- }
-
- CPSD::RESOLUTION_INFO::RESOLUTION_INFO()
- {
- hRes = -1;
- hResUnit = -1;
- widthUnit = -1;
- vRes = -1;
- vResUnit = -1;
- heightUnit = -1;
- }
-
- CPSD::RESOLUTION_INFO_v2::RESOLUTION_INFO_v2()
- {
- nChannels = -1;
- nRows = -1;
- nColumns = -1;
- nDepth = -1;
- nMode = -1;
- }
-
- CPSD::DISPLAY_INFO::DISPLAY_INFO()
- {
- ColourSpace = -1;
- for ( unsigned int n = 0; n < 4; ++n)
- Colour[n] = 0;
- Opacity = -1;
- kind = false;
- padding = '0';
- }
-
- CPSD::THUMBNAIL::THUMBNAIL()
- {
- nFormat = -1;
- nWidth = -1;
- nHeight = -1;
- nWidthBytes = -1;
- nSize = -1;
- nCompressedSize = -1;
- nBitPerPixel = -1;
- nPlanes = -1;
- Data = 0;
- }
-} // MyPSD
-
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////////
-#endif //CXIMAGE_USE_LIBPSD
-
-////////////////////////////////////////////////////////////////////////////////
-#if CXIMAGE_SUPPORT_DECODE
-////////////////////////////////////////////////////////////////////////////////
-bool CxImagePSD::Decode(CxFile *hFile)
-{
- if (hFile==NULL)
- return false;
-
-#if CXIMAGE_USE_LIBPSD
- psd_context* context = NULL;
-#endif
-
- cx_try
- {
-#if CXIMAGE_USE_LIBPSD
-
- psd_status status;
-
- context = (psd_context *)malloc(sizeof(psd_context));
- if(context == NULL){
- cx_throw("CxImagePSD: psd_status_malloc_failed");
- }
- memset(context, 0, sizeof(psd_context));
-
- // install file manager
- CxFilePsd src(hFile,context);
-
- context->state = PSD_FILE_HEADER;
- context->stream.file_length = hFile->Size();
- context->load_tag = psd_load_tag_all;
- status = psd_main_loop(context);
-
- if(status != psd_status_done){
- cx_throw("CxImagePSD: psd_main_loop failed");
- }
-
- Create(context->width,context->height,24,CXIMAGE_FORMAT_PSD);
-
- uint8_t* rgba = (uint8_t*)context->merged_image_data;
- uint8_t* alpha = NULL;
- if (context->alpha_channel_info)
- alpha = (uint8_t*)context->alpha_channel_info->channel_data;
- if (alpha)
- AlphaCreate();
-
- int32_t x,y;
- RGBQUAD c;
- c.rgbReserved = 0;
- if (rgba){
- for(y =context->height-1; y--;){
- for (x=0; x<context->width; x++){
- c.rgbBlue = *rgba++;
- c.rgbGreen = *rgba++;
- c.rgbRed = *rgba++;
- rgba++;
- SetPixelColor(x,y,c);
-#if CXIMAGE_SUPPORT_ALPHA
- if (alpha) AlphaSet(x,y,*alpha++);
-#endif //CXIMAGE_SUPPORT_ALPHA
- }
- }
- }
-
- psd_image_free(context);
- free(context);
-
-#else //CXIMAGE_USE_LIBPSD == 0
-
- MyPSD::CPSD psd(*this);
- int nErrorCode = psd.Load(*hFile);
- if (nErrorCode != 0) cx_throw("error loading PSD file");
-
-#endif //CXIMAGE_USE_LIBPSD
-
- } cx_catch {
-
-#if CXIMAGE_USE_LIBPSD
- psd_image_free(context);
- if (context) free(context);
-#endif //CXIMAGE_USE_LIBPSD
-
- if (strcmp(message,"")) strncpy(info.szLastError,message,255);
- if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_PSD) return true;
- return false;
- }
- /* that's it */
- return true;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-#endif //CXIMAGE_SUPPORT_DECODE
-////////////////////////////////////////////////////////////////////////////////
-#if CXIMAGE_SUPPORT_ENCODE
-////////////////////////////////////////////////////////////////////////////////
-bool CxImagePSD::Encode(CxFile * hFile)
-{
- if (hFile == NULL) return false;
- strcpy(info.szLastError, "Save PSD not supported");
- return false;
-}
-////////////////////////////////////////////////////////////////////////////////
-#endif // CXIMAGE_SUPPORT_ENCODE
-////////////////////////////////////////////////////////////////////////////////
-#endif // CXIMAGE_SUPPORT_PSD
-
|